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1、此功能已集成到TQueryCondition组件中

2、最终效果

3、具体源码(新增moreChoose.vue)

<template><el-popoverpopper-class="t_query_condition_more":bind="popoverAttrsBind"ref="popover"v-if="allcheckList.length>0"><div class="inside_box"><div class="inside_box_title"><div>{{popoverAttrsBind.title||'所有条件'}}</div><div class="check-box"><el-buttonsize="mini"type="text"@click="handlecheckAll">{{popoverAttrsBind.allTxt||'全选'}}</el-button><el-buttonsize="mini"type="text"@click="handleReset">{{popoverAttrsBind.clearTxt||'清空'}}</el-button><el-buttonsize="mini"type="text"@click="handleReverseCheck">{{popoverAttrsBind.reverseTxt||'反选'}}</el-button></div></div><el-checkbox-group v-model="checkList" class="inside_box_main" @change="getcheck"><el-checkbox v-for="item of allcheckList" :key="item.name" :label="item.label"></el-checkbox></el-checkbox-group></div><span class="more_dropdown_icon" slot="reference"><span class="out_box">{{popoverAttrsBind.showTxt||'更多'}}</span><i class="el-icon-arrow-down"></i></span></el-popover>
</template>
<script>
export default {name: 'MoreChoose',props: {// 以下拉方式展示更多条件---数据源moreCheckList: {type: Array,default: () => []},// 更多条件--el-popover属性popoverAttrs: {type: Object,default: () => ({})}},data() {return {checkList: [],isCheckList: [], // 已选中allcheckList: this.moreCheckList // 全部可选项}},watch: {// 全部可选项moreCheckList: {handler(list) {this.allcheckList = list},deep: true},// 选中项checkList: {handler(nval, oval) {let list = []oval.forEach(ele => {if (!nval.some(val => val == ele)) {list.push(ele)}})this.isCheckList.forEach((ele, j) => {if (list.filter(val => val == ele.label)[0]) {delete this.isCheckList[j]}})}}},computed: {// 以下拉方式展示更多条件--属性popoverAttrsBind() {const popoverAttrs = { showTxt: '更多', title: '所有条件', allTxt: '全选', reverseTxt: '反选', clearTxt: '清空', ...this.popoverAttrs }return { placement: 'bottom', width: 240, trigger: 'click', ...popoverAttrs }}},methods: {// 全选handlecheckAll() {this.checkList = this.allcheckList.map((item) => item.label)// console.log('全选', this.checkList)this.isCheckList = this.allcheckListconst checkObj = this.analysisObj(this.isCheckList)this.$emit('getCheckList', checkObj)},// 反选handleReverseCheck() {const checkList = JSON.parse(JSON.stringify(this.checkList))this.checkList = []this.isCheckList = []this.allcheckList.forEach((ele, j) => {if (!checkList.filter((item1) => item1 == ele.label)[0]) {this.checkList.push(ele.label)this.isCheckList.push(ele)}})const checkObj = this.analysisObj(this.isCheckList)// console.log('反选', checkObj)this.$emit('getCheckList', checkObj)},// 清空handleReset() {// console.log('清空')this.checkList = []this.isCheckList = []this.$emit('getCheckList', {})},// 单选getcheck(val) {this.allcheckList.forEach((ele, j) => {if (val.filter(item1 => item1 == ele.label)[0]) {this.isCheckList.push(ele)}})// console.log('isCheckList---', this.isCheckList, this.checkList)const checkObj = this.analysisObj(this.isCheckList)// console.log('checkObj--222', checkObj)this.$emit('getCheckList', checkObj)},// 格式化analysisObj(val) {return val.reduce((obj, item) => {obj[item.prop] = {label: item.label,comp: item.comp,bind: item.bind,child: item && item.child,slotName: item && item.slotName,span: item && item.span,defaultVal: item && item.defaultVal}if (item.comp === 'el-select') {obj[item.prop].child = item.list.reduce((acc, cur) => {acc.push({comp: 'el-option',value: cur[item.valueKey || 'key'],bind: {label: cur[item.labelKey || 'label'],key: cur[item.valueKey || 'key']}})return acc}, [])}return obj}, {})}}
}
</script>
<style lang="scss">
.t_query_condition_more.el-popover {padding: 10px 15px;padding-top: 5px;.inside_box {display: flex;flex-direction: column;.inside_box_title {display: flex;justify-content: space-between;align-items: center;}.inside_box_main {display: grid;grid-template-columns: repeat(2, minmax(100px, 50%));.el-checkbox {display: flex;align-items: center;.el-checkbox__label {-webkit-box-sizing: border-box;box-sizing: border-box;overflow: hidden;text-overflow: ellipsis;word-break: break-all;min-width: 90px;}}}}
}
</style>

4、集成到TQueryCondition组件

注意点：开启以下拉方式展示更多条件禁用展开&收起功能

代码示例

<template><t-layout-page><t-layout-page-item><t-query-conditionref="queryCondition":opts="opts"isDropDownSelectMore:loading="loading":moreCheckList="moreCheckList"@submit="conditionEnter"@getCheckList="getChildCheck"><template #likeTransportNo="{param}"><el-input v-model="param.likeTransportNo" clearable placeholder="自定义插槽输入框" /></template></t-query-condition></t-layout-page-item></t-layout-page>
</template>
<script>
const ADDRESS_TYPES = [{label: '前纺一车间',key: 'W1'},{label: '前纺二车间',key: 'W2'},{label: '前纺三车间',key: 'W3'}
]
export default {name: 'queryData',data() {return {loading: false,queryData: {likeCargoNo: null,likeBookNo: null,likeTransportNo: null,likeCargoName: null,workshopNum: null,workshopNum1: null,date1: null,// date: null,},sexList: [],hobbyList: [],opts: {likeCargoNo: {label: '货源编号',comp: 'el-input'},likeBookNo: {labelRender: () => {return (<el-tooltip content={'自定义label'} placement="top"><div>订单编号</div></el-tooltip>)},placeholder: '自定义label',comp: 'el-input'},likeTransportNo: {label: '运单编号',comp: 'el-input',slotName: 'likeTransportNo',},likeCargoName: {label: '货品名称',comp: 'el-input',bind: {}},workshopNum1: {label: '车间2',comp: 'el-select',child: ADDRESS_TYPES.reduce((acc, cur) => {acc.push({comp: 'el-option',value: cur.key,bind: {label: cur.label,key: cur.key}})return acc}, [])},workshopNum: {label: '车间',comp: 'el-select',changeEvent: 'change',// defaultVal: 'W1',bind: {},child: [{comp: 'el-option',value: 'W1',bind: {label: '前纺一车间',key: 'W1'}},{comp: 'el-option',value: 'W2',bind: {label: '前纺二车间',key: 'W2'}},{comp: 'el-option',value: 'W3',bind: {label: '前纺三车间',key: 'W3'}}]},date1: {label: '日期',comp: 'el-date-picker',bind: {valueFormat: 'yyyy-MM-dd'}},},checkQuery: {}}},computed: {moreCheckList() {return [{ label: '姓名', comp: 'el-input', prop: 'name' },{ label: '年龄', comp: 'el-input', prop: 'age' },{ label: '性别', comp: 'el-select', prop: 'sex', valueKey: "value", list: this.sexList },{label: "爱好", comp: "t-select", prop: 'hobby', span: 2, bind: { multiple: true, optionSource: this.hobbyList, valueKey: "value", },},{ label: '合同号', comp: 'el-input', prop: 'contractNo' },{ label: '供应商', comp: 'el-input', prop: 'supplier' },{ label: '磅单号', comp: 'el-input', prop: 'balanceCode' },{ label: '车牌号', comp: 'el-input', prop: 'license' },{ label: '备注', comp: 'el-input', prop: 'remark' },{ label: '检验员', comp: 'el-input', prop: 'inspector' },{ label: '取样人', comp: 'el-input', prop: 'sampler' },{ label: '审核人', comp: 'el-input', prop: 'reviewer' },{ label: '其他检验项', comp: 'el-input', prop: 'physicsInspection' },{ label: '实际数量', comp: 'el-input', prop: 'factQuantity' }]}},watch: {checkQuery: {handler(nval, oval) {for (let i = 0; i < Object.keys(oval).length; i++) {this.$delete(this.opts, Object.keys(oval)[i])}this.opts = Object.assign({}, this.opts, nval)for (let i = 0; i < Object.keys(this.opts).length; i++) {this.queryData[Object.keys(this.opts)[i]] = null}},deep: true}},created() {this.getList()},// 方法methods: {getList() {this.sexList = [{ label: '男', value: '1' }, { label: '女', value: '2' }]this.hobbyList = [{ label: '吉他', value: '0' },{ label: '看书', value: '1' },{ label: '美剧', value: '2' },{ label: '旅游', value: '3' },{ label: '音乐', value: '4' }]},getChildCheck(val) {this.checkQuery = val},// 点击查询按钮conditionEnter(data) {this.loading = truethis.queryData = dataconsole.log('最终条件', this.queryData)setTimeout(() => {this.loading = false}, 2000)}}
}
</script>

5、以下拉方式展示更多条件–配置参数（Attributes）

参数	说明	类型	默认值
popoverAttrs	el-popover配置及中文文案	object	具体看源码
moreCheckList	数据源	Array	-
-----label	标题	string	-
-----comp	组件名称，可直接指定全局注册的组件	string,component	-
-----prop	接收字段（即后台接收字段）	string	-
-----bind	组件配置参数（Attributes）	object	-
-----slotName	自定义输入框插槽	string	-
-----span	控件占用的列宽，默认占用 1 列，最多 4 列 (独占一行)	number	1
-----defaultVal	默认值	string	-
-----list	el-select 组件options 数据	Array	-

6. 事件（events）

事件名	说明	回调参数
getCheckList	下拉动态添加条件	返回选中的条件项

7、demo地址

GitHub源码地址

Gitee源码地址

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